EP0714204A3 - Méthode de protection contre l'exposé illégal et la copie dans un système vidéo nummérique et méthode de commande à cet effet - Google Patents
Méthode de protection contre l'exposé illégal et la copie dans un système vidéo nummérique et méthode de commande à cet effet Download PDFInfo
- Publication number
- EP0714204A3 EP0714204A3 EP95308493A EP95308493A EP0714204A3 EP 0714204 A3 EP0714204 A3 EP 0714204A3 EP 95308493 A EP95308493 A EP 95308493A EP 95308493 A EP95308493 A EP 95308493A EP 0714204 A3 EP0714204 A3 EP 0714204A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- digital video
- video system
- copy protection
- illegal view
- protection method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
- H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00231—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a local external medium, e.g. a card
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
- G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
- G11B20/00536—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein encrypted content data is subjected to a further, iterated encryption, e.g. interwoven encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
- G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91328—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy management signal, e.g. a copy generation management signal [CGMS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
- H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940031364A KR100332743B1 (ko) | 1994-11-26 | 1994-11-26 | 디지탈영상시스템의불법시청및복사방지방법및장치 |
KR9431364 | 1994-11-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0714204A2 EP0714204A2 (fr) | 1996-05-29 |
EP0714204A3 true EP0714204A3 (fr) | 1997-06-11 |
EP0714204B1 EP0714204B1 (fr) | 2002-01-09 |
Family
ID=19399139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95308493A Expired - Lifetime EP0714204B1 (fr) | 1994-11-26 | 1995-11-27 | Méthode de protection contre la vue illégale et la copie dans un système vidéo numérique et méthode de commande à cet effet |
Country Status (6)
Country | Link |
---|---|
US (1) | US5757909A (fr) |
EP (1) | EP0714204B1 (fr) |
JP (1) | JP3108618B2 (fr) |
KR (1) | KR100332743B1 (fr) |
CN (1) | CN1090868C (fr) |
DE (1) | DE69524931T2 (fr) |
Families Citing this family (164)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0152788B1 (ko) * | 1994-11-26 | 1998-10-15 | 이헌조 | 디지탈 영상 시스템의 복사 방지 방법 및 장치 |
KR0136458B1 (ko) | 1994-12-08 | 1998-05-15 | 구자홍 | 디지탈 자기 기록재생 시스템의 복사 방지장치 |
US5892900A (en) | 1996-08-30 | 1999-04-06 | Intertrust Technologies Corp. | Systems and methods for secure transaction management and electronic rights protection |
US6157721A (en) | 1996-08-12 | 2000-12-05 | Intertrust Technologies Corp. | Systems and methods using cryptography to protect secure computing environments |
CN101303717B (zh) | 1995-02-13 | 2015-04-29 | 英特特拉斯特技术公司 | 用于安全交易管理和电子权利保护的系统和方法 |
US6948070B1 (en) | 1995-02-13 | 2005-09-20 | Intertrust Technologies Corporation | Systems and methods for secure transaction management and electronic rights protection |
US6658568B1 (en) | 1995-02-13 | 2003-12-02 | Intertrust Technologies Corporation | Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management |
US5943422A (en) | 1996-08-12 | 1999-08-24 | Intertrust Technologies Corp. | Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels |
US7133846B1 (en) | 1995-02-13 | 2006-11-07 | Intertrust Technologies Corp. | Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights management |
US6005938A (en) * | 1996-12-16 | 1999-12-21 | Scientific-Atlanta, Inc. | Preventing replay attacks on digital information distributed by network service providers |
DE69637033T2 (de) * | 1995-06-30 | 2007-10-31 | Sony Corp. | Datenaufzeichnungsverfahren und -Einrichtung und Datenwiedergabeverfahren und -Einrichtung |
US6516064B1 (en) * | 1995-07-25 | 2003-02-04 | Sony Corporation | Signal recording apparatus, signal record medium and signal reproducing apparatus |
CN1160955C (zh) * | 1995-10-09 | 2004-08-04 | 松下电器产业株式会社 | 数据发送装置及数据发送方法 |
JPH09134310A (ja) * | 1995-11-07 | 1997-05-20 | Fujitsu Ltd | データの復号アルゴリズムを記憶する記憶媒体および方法 |
EP0880840A4 (fr) * | 1996-01-11 | 2002-10-23 | Mrj Inc | Systeme permettant d'agir sur l'acces a la propriete numerique et sur sa diffusion |
TW330999B (en) * | 1996-03-08 | 1998-05-01 | Matsushita Electric Ind Co Ltd | Microprocessor suitable for reproducing AV data while protecting the AV data from illegal copy and image information processing system using the microprocessor |
ES2151240T3 (es) * | 1996-03-18 | 2000-12-16 | News Datacom Ltd | Tarjetas inteligentes enlazadas para el pago de los sistemas de television. |
US5862299A (en) * | 1996-06-19 | 1999-01-19 | Sony Corporation | Conditional access system for local storage device |
US6061451A (en) * | 1996-09-03 | 2000-05-09 | Digital Vision Laboratories Corporation | Apparatus and method for receiving and decrypting encrypted data and protecting decrypted data from illegal use |
MY121267A (en) * | 1996-09-05 | 2006-01-28 | Sony Corp | Digital recording apparatus and copyright protection method thereof |
US6016348A (en) * | 1996-11-27 | 2000-01-18 | Thomson Consumer Electronics, Inc. | Decoding system and data format for processing and storing encrypted broadcast, cable or satellite video data |
US5878135A (en) * | 1996-11-27 | 1999-03-02 | Thomson Consumer Electronics, Inc. | Decoding system for processing encrypted broadcast, cable or satellite video data |
US6178242B1 (en) | 1997-02-07 | 2001-01-23 | Nds Limited | Digital recording protection system |
CA2285027C (fr) * | 1997-03-27 | 2009-01-06 | British Telecommunications Public Limited Company | Protection de donnees contre la copie |
KR100214309B1 (ko) * | 1997-05-09 | 1999-08-02 | 윤종용 | 디지털비디오디스크 재생장치에 있어서 디스크램블링 신뢰도를 향상시키는 방법 및 장치 |
JP2982750B2 (ja) * | 1997-07-09 | 1999-11-29 | 日本電気株式会社 | ディジタル情報処理装置 |
EP0912052A1 (fr) * | 1997-09-25 | 1999-04-28 | CANAL+ Société Anonyme | Procédé et appareil pour enrégistrer des données numériques chiffrées |
DE69704430T2 (de) * | 1997-11-25 | 2001-11-15 | Dzine Kortrijk Nv | Zusammenstellung zur digitalen Audioverteilung |
CA2318939C (fr) * | 1997-12-10 | 2004-05-11 | Thomson Licensing S.A. | Systeme d'acces conditionnel pour recepteurs numeriques |
NZ504971A (en) * | 1997-12-10 | 2002-02-01 | Thomson Licensing S | Method for protecting the audio/visual data across the NRSS interface |
US7778418B1 (en) | 1998-01-08 | 2010-08-17 | Samsung Electronics Co., Ltd. | System and method for copy protection for digital signals |
US8300832B2 (en) | 1998-01-08 | 2012-10-30 | Samsung Electronics Co., Ltd. | System and method for copy protection for digital signals |
CN1269125C (zh) * | 1998-01-26 | 2006-08-09 | 松下电器产业株式会社 | 数据记录/再现方法和系统、记录设备和再现设备 |
EP0936812A1 (fr) | 1998-02-13 | 1999-08-18 | CANAL+ Société Anonyme | Procédé et appareil d'enregistrement de données numériques cryptées |
US7809138B2 (en) | 1999-03-16 | 2010-10-05 | Intertrust Technologies Corporation | Methods and apparatus for persistent control and protection of content |
CN100534180C (zh) * | 1998-03-16 | 2009-08-26 | 联信技术公司 | 用于连续控制和保护媒体内容的方法和装置 |
JP3937564B2 (ja) * | 1998-03-24 | 2007-06-27 | 三菱電機株式会社 | ディジタルビデオ受信装置 |
MY132414A (en) | 1998-04-14 | 2007-10-31 | Hitachi Ltd | Reproducing apparatus, recording apparatus and display apparatus |
US8584255B2 (en) * | 1999-05-05 | 2013-11-12 | Sony United Kingdom Limited | Networked conditional access module |
JP4273535B2 (ja) | 1998-05-12 | 2009-06-03 | ソニー株式会社 | データ伝送制御方法、データ伝送システム、データ受信装置及びデータ送信装置 |
US6591251B1 (en) * | 1998-07-22 | 2003-07-08 | Neopost Inc. | Method, apparatus, and code for maintaining secure postage data |
JP3951464B2 (ja) | 1998-07-28 | 2007-08-01 | 株式会社日立製作所 | ディジタル信号処理装置 |
FR2786973B1 (fr) * | 1998-12-04 | 2001-02-16 | Innovatron Sa | Dispositif securite decodeur d'informations chiffrees et comprimees, notamment d'informations video, audio ou de texte |
AU5174399A (en) * | 1998-08-19 | 2000-03-14 | Innovatron (Societe Anonyme) | Security device for decoding compressed encrypted data |
AU756954B2 (en) * | 1998-08-31 | 2003-01-30 | Thomson Licensing S.A. | A copy protection system for home networks |
JP2000113587A (ja) * | 1998-10-05 | 2000-04-21 | Sony Corp | 記録装置および方法、復号装置および方法、提供媒体、並びに情報記録媒体 |
EP1331830A1 (fr) * | 1998-12-24 | 2003-07-30 | Matsushita Electric Industrial Co., Ltd. | Dispositif d'enregistrement/ de reproduction et procédé de télédiffusion numérique |
KR100575817B1 (ko) * | 1998-12-31 | 2006-08-31 | 엘지전자 주식회사 | 디지탈데이터의복사방지장치 |
JP4131071B2 (ja) * | 1999-01-11 | 2008-08-13 | ソニー株式会社 | 情報信号の記録装置、記録システム、記録媒体および記録方法 |
JP4356178B2 (ja) * | 1999-03-09 | 2009-11-04 | ソニー株式会社 | 再生装置 |
US7058803B2 (en) | 2002-05-22 | 2006-06-06 | Broadcom Corporation | System and method for protecting transport stream content |
US7549056B2 (en) | 1999-03-19 | 2009-06-16 | Broadcom Corporation | System and method for processing and protecting content |
US7124938B1 (en) * | 1999-03-24 | 2006-10-24 | Microsoft Corporation | Enhancing smart card usage for associating media content with households |
US7730300B2 (en) | 1999-03-30 | 2010-06-01 | Sony Corporation | Method and apparatus for protecting the transfer of data |
US6697489B1 (en) * | 1999-03-30 | 2004-02-24 | Sony Corporation | Method and apparatus for securing control words |
EP1045585A1 (fr) * | 1999-04-13 | 2000-10-18 | CANAL+ Société Anonyme | Procédé et appareil pour transmettre en sécurité des données numériques entre installations |
JP3977549B2 (ja) * | 1999-04-30 | 2007-09-19 | 株式会社東芝 | コンテンツ管理方法、コンテンツ利用管理システム、コンテンツ利用管理装置及び再生装置 |
US6799272B1 (en) * | 1999-05-26 | 2004-09-28 | Lucent Technologies Inc. | Remote device authentication system |
US7071995B1 (en) | 1999-05-28 | 2006-07-04 | Thomson Licensing | Adaptive video image information processing system |
JP3692838B2 (ja) * | 1999-06-22 | 2005-09-07 | 日本ビクター株式会社 | 記録方法、再生方法、再生装置及び記録媒体 |
WO2001004727A1 (fr) * | 1999-07-09 | 2001-01-18 | Koninklijke Philips Electronics N.V. | Traitement de certificats generalises pour systeme de protection anti-copie a base de modules de deploiement |
US7336785B1 (en) * | 1999-07-09 | 2008-02-26 | Koninklijke Philips Electronics N.V. | System and method for copy protecting transmitted information |
EP1079627A1 (fr) * | 1999-08-27 | 2001-02-28 | Canon Kabushiki Kaisha | Système de protection copyright pour MPEG-4 utilisant des filigranes numériques |
US6477252B1 (en) * | 1999-08-29 | 2002-11-05 | Intel Corporation | Digital video content transmission ciphering and deciphering method and apparatus |
AU7338400A (en) * | 1999-09-02 | 2001-03-26 | Xm Satellite Radio Inc. | Method and apparatus for providing prepaid music card for deciphering recorded broadcast audio signals |
WO2001024080A1 (fr) * | 1999-09-27 | 2001-04-05 | Gte Internetworking Incorporated | Lecteur securise pour donnees de reproduction |
US6912513B1 (en) * | 1999-10-29 | 2005-06-28 | Sony Corporation | Copy-protecting management using a user scrambling key |
US7039614B1 (en) | 1999-11-09 | 2006-05-02 | Sony Corporation | Method for simulcrypting scrambled data to a plurality of conditional access devices |
US6449719B1 (en) | 1999-11-09 | 2002-09-10 | Widevine Technologies, Inc. | Process and streaming server for encrypting a data stream |
FR2801464B1 (fr) * | 1999-11-22 | 2001-12-28 | Thomson Multimedia Sa | Procede d'enregistrement d'un flux mpeg embrouille |
US7340055B2 (en) * | 1999-12-02 | 2008-03-04 | Sanyo Electric Co., Ltd. | Memory card and data distribution system using it |
PL355383A1 (en) * | 1999-12-03 | 2004-04-19 | Thomson Licensing S.A. | An adaptive video image information processing system |
IL144921A (en) * | 2000-01-05 | 2007-03-08 | Chaim Shen-Orr | Digital content delivery system and method |
US20020009000A1 (en) * | 2000-01-18 | 2002-01-24 | Qdesign Usa, Inc. | Adding imperceptible noise to audio and other types of signals to cause significant degradation when compressed and decompressed |
US7225164B1 (en) | 2000-02-15 | 2007-05-29 | Sony Corporation | Method and apparatus for implementing revocation in broadcast networks |
EP2276252A3 (fr) * | 2000-03-02 | 2015-05-06 | TiVo, Inc. | Système et procédé d'accès via internet à un service de télévision personnel |
US7080039B1 (en) * | 2000-03-23 | 2006-07-18 | David J Marsh | Associating content with households using smart cards |
EP1275250A1 (fr) * | 2000-05-02 | 2003-01-15 | General Instrument Corporation | Procede et appareil permettant l'acces aleatoire a des images individuelles dans un flot de video chiffre |
FR2810138B1 (fr) * | 2000-06-08 | 2005-02-11 | Bull Cp8 | Procede de stockage securise d'une donnee sensible dans une memoire d'un systeme embarque a puce electronique, notamment d'une carte a puce, et systeme embarque mettant en oeuvre le procede |
US20040205812A1 (en) * | 2000-06-22 | 2004-10-14 | Candelore Brant L. | Method and apparatus for routing program data in a program viewing unit |
US7688803B1 (en) | 2000-09-01 | 2010-03-30 | Young Steven J | System and method for coordinating between multiple telephony channels |
JP3983463B2 (ja) * | 2000-09-04 | 2007-09-26 | パイオニア株式会社 | 情報送信装置及び情報送信方法、情報受信装置及び情報受信方法、情報伝送システム及び情報伝送方法並びに情報記録媒体 |
US7165175B1 (en) | 2000-09-06 | 2007-01-16 | Widevine Technologies, Inc. | Apparatus, system and method for selectively encrypting different portions of data sent over a network |
US6851063B1 (en) * | 2000-09-30 | 2005-02-01 | Keen Personal Technologies, Inc. | Digital video recorder employing a file system encrypted using a pseudo-random sequence generated from a unique ID |
GB0026208D0 (en) * | 2000-10-26 | 2000-12-13 | Koninkl Philips Electronics Nv | A decoder supporting multiple inputs |
US7200859B1 (en) | 2000-11-22 | 2007-04-03 | Digeo, Inc. | Apparatus and method for intelligent multimedia compression and distribution |
US7043473B1 (en) | 2000-11-22 | 2006-05-09 | Widevine Technologies, Inc. | Media tracking system and method |
US7150045B2 (en) | 2000-12-14 | 2006-12-12 | Widevine Technologies, Inc. | Method and apparatus for protection of electronic media |
JP2002261746A (ja) * | 2000-12-28 | 2002-09-13 | Sony Corp | 配信方法及び配信システム |
US6813643B2 (en) | 2001-01-05 | 2004-11-02 | Digeo, Inc. | Multimedia system with selectable protocol module including MPEG logic and docsis logic sharing a single tuner |
EP1352523B1 (fr) * | 2001-01-16 | 2004-08-04 | Nagracard S.A. | Methode pour stocker des donnees encryptees |
DE10107373A1 (de) * | 2001-02-16 | 2002-08-29 | Infineon Technologies Ag | Sicherheitsmodul mit flüchtigem Speicher zur Speicherung eines Algorithmuscodes |
US20020116705A1 (en) | 2001-02-20 | 2002-08-22 | Perlman Stephen G. | System and method for processing conditional access data |
US7046805B2 (en) | 2001-03-20 | 2006-05-16 | Digeo, Inc. | System and method for efficiently storing and processing multimedia content |
US7093277B2 (en) | 2001-05-30 | 2006-08-15 | Digeo, Inc. | System and method for improved multi-stream multimedia transmission and processing |
US7386129B2 (en) | 2001-05-30 | 2008-06-10 | Digeo, Inc. | System and method for multimedia content simulcast |
US7895616B2 (en) | 2001-06-06 | 2011-02-22 | Sony Corporation | Reconstitution of program streams split across multiple packet identifiers |
US7127619B2 (en) | 2001-06-06 | 2006-10-24 | Sony Corporation | Decoding and decryption of partially encrypted information |
US7747853B2 (en) | 2001-06-06 | 2010-06-29 | Sony Corporation | IP delivery of secure digital content |
US7203319B2 (en) * | 2001-07-09 | 2007-04-10 | Qualcomm, Inc. | Apparatus and method for installing a decryption key |
US7313824B1 (en) | 2001-07-13 | 2007-12-25 | Liquid Machines, Inc. | Method for protecting digital content from unauthorized use by automatically and dynamically integrating a content-protection agent |
US7257844B2 (en) | 2001-07-31 | 2007-08-14 | Marvell International Ltd. | System and method for enhanced piracy protection in a wireless personal communication device |
US7218738B2 (en) * | 2002-01-02 | 2007-05-15 | Sony Corporation | Encryption and content control in a digital broadcast system |
US7155012B2 (en) * | 2002-01-02 | 2006-12-26 | Sony Corporation | Slice mask and moat pattern partial encryption |
US7765567B2 (en) | 2002-01-02 | 2010-07-27 | Sony Corporation | Content replacement by PID mapping |
US7215770B2 (en) * | 2002-01-02 | 2007-05-08 | Sony Corporation | System and method for partially encrypted multimedia stream |
US7039938B2 (en) * | 2002-01-02 | 2006-05-02 | Sony Corporation | Selective encryption for video on demand |
US7242773B2 (en) | 2002-09-09 | 2007-07-10 | Sony Corporation | Multiple partial encryption using retuning |
US7823174B2 (en) | 2002-01-02 | 2010-10-26 | Sony Corporation | Macro-block based content replacement by PID mapping |
US7328345B2 (en) | 2002-01-29 | 2008-02-05 | Widevine Technologies, Inc. | Method and system for end to end securing of content for video on demand |
US8082588B2 (en) * | 2002-03-15 | 2011-12-20 | Nagravision S.A. | Secured storage method of encrypted data on a personal digital recorder |
US7299292B2 (en) | 2002-03-29 | 2007-11-20 | Widevine Technologies, Inc. | Process and streaming server for encrypting a data stream to a virtual smart card client system |
EP1509830A2 (fr) * | 2002-05-02 | 2005-03-02 | Shieldip, Inc. | Procede et appareil de protection d'informations et de vie privee |
US7530084B2 (en) * | 2002-05-28 | 2009-05-05 | Sony Corporation | Method and apparatus for synchronizing dynamic graphics |
CN100588245C (zh) * | 2002-06-12 | 2010-02-03 | 爱迪德艾恩德霍芬公司 | 条件存取设备和方法 |
JP3735591B2 (ja) * | 2002-06-18 | 2006-01-18 | 株式会社東芝 | 信号処理装置、信号処理方法、及び記憶媒体 |
CN1666523A (zh) * | 2002-07-11 | 2005-09-07 | 皇家飞利浦电子股份有限公司 | 提供数据流条件访问的设备 |
FR2843517B1 (fr) * | 2002-08-06 | 2005-02-11 | Medialive | Dispositif pour le brouillage de contenus multimedias et audiovisuels de type mpeg-4 |
WO2004019614A1 (fr) * | 2002-08-22 | 2004-03-04 | Thomson Licensing S.A. | Carte a puce comprenant une ligne de retard nrss destinee a l'alignement de donnees |
US8818896B2 (en) | 2002-09-09 | 2014-08-26 | Sony Corporation | Selective encryption with coverage encryption |
US7594271B2 (en) | 2002-09-20 | 2009-09-22 | Widevine Technologies, Inc. | Method and system for real-time tamper evidence gathering for software |
US7724907B2 (en) * | 2002-11-05 | 2010-05-25 | Sony Corporation | Mechanism for protecting the transfer of digital content |
US8572408B2 (en) | 2002-11-05 | 2013-10-29 | Sony Corporation | Digital rights management of a digital device |
US8667525B2 (en) * | 2002-12-13 | 2014-03-04 | Sony Corporation | Targeted advertisement selection from a digital stream |
US8645988B2 (en) | 2002-12-13 | 2014-02-04 | Sony Corporation | Content personalization for digital content |
WO2004057830A1 (fr) * | 2002-12-20 | 2004-07-08 | Koninklijke Philips Electronics N.V. | Appareil et procede de traitement de trains de donnees continus |
US7251328B2 (en) * | 2003-01-14 | 2007-07-31 | General Instrument Corporation | System for secure decryption of streaming media using selective decryption of header information and decryption of reassembled content |
FR2850826B1 (fr) * | 2003-02-04 | 2005-04-01 | Medialive | Procede et dispositif de protection pour la diffusion securisee d'oeuvres audiovisuelles |
US20040165586A1 (en) * | 2003-02-24 | 2004-08-26 | Read Christopher Jensen | PID filters based network routing |
US7007170B2 (en) | 2003-03-18 | 2006-02-28 | Widevine Technologies, Inc. | System, method, and apparatus for securely providing content viewable on a secure device |
US7356143B2 (en) | 2003-03-18 | 2008-04-08 | Widevine Technologies, Inc | System, method, and apparatus for securely providing content viewable on a secure device |
US20040205345A1 (en) * | 2003-04-11 | 2004-10-14 | Ripley Michael S. | System for identification and revocation of audiovisual titles and replicators |
US7634090B2 (en) * | 2003-09-26 | 2009-12-15 | Genesis Microchip Inc. | Packet based high definition high-bandwidth digital content protection |
US7406174B2 (en) | 2003-10-21 | 2008-07-29 | Widevine Technologies, Inc. | System and method for n-dimensional encryption |
US7853980B2 (en) | 2003-10-31 | 2010-12-14 | Sony Corporation | Bi-directional indices for trick mode video-on-demand |
KR20070041423A (ko) * | 2004-01-29 | 2007-04-18 | 리차드 엠. 운디 | 장애 완화 헤드엔드 동작을 위한 시스템 및 방법 |
WO2005088894A1 (fr) * | 2004-03-11 | 2005-09-22 | Universal Electronics Inc. | Donnees chiffrees specifiques de dispositif de synchronisation vers et depuis des dispositifs mettant en oeuvre des supports de donnees amovibles |
US7092906B1 (en) * | 2004-03-12 | 2006-08-15 | Xilinx, Inc. | Parallel keystream decoder |
JP2006041848A (ja) * | 2004-07-27 | 2006-02-09 | Hitachi Ltd | 受信装置および受信方法 |
US9609279B2 (en) | 2004-09-24 | 2017-03-28 | Google Inc. | Method and system for providing secure CODECS |
CN100353765C (zh) * | 2004-11-04 | 2007-12-05 | 上海交通大学 | 适用于影视节目内容数据的加密/解密方法 |
US7895617B2 (en) | 2004-12-15 | 2011-02-22 | Sony Corporation | Content substitution editor |
US8041190B2 (en) | 2004-12-15 | 2011-10-18 | Sony Corporation | System and method for the creation, synchronization and delivery of alternate content |
JP4667108B2 (ja) * | 2005-04-11 | 2011-04-06 | パナソニック株式会社 | データ処理装置 |
US7817608B2 (en) | 2005-09-23 | 2010-10-19 | Widevine Technologies, Inc. | Transitioning to secure IP communications for encoding, encapsulating, and encrypting data |
US7496608B2 (en) | 2005-10-07 | 2009-02-24 | International Business Machines Corporation | Online system and method for restoring electronic media on electronic storage devices |
US8526612B2 (en) | 2006-01-06 | 2013-09-03 | Google Inc. | Selective and persistent application level encryption for video provided to a client |
US7870399B2 (en) * | 2006-02-10 | 2011-01-11 | Arxan Defense Systems | Software trusted platform module and application security wrapper |
US8185921B2 (en) | 2006-02-28 | 2012-05-22 | Sony Corporation | Parental control of displayed content using closed captioning |
JP2007233924A (ja) * | 2006-03-03 | 2007-09-13 | Sony Corp | 情報処理システム、情報処理装置および方法、プログラム、並びに記録媒体 |
JP2007181198A (ja) * | 2006-12-04 | 2007-07-12 | Sony Corp | データ伝送制御方法 |
US8621093B2 (en) | 2007-05-21 | 2013-12-31 | Google Inc. | Non-blocking of head end initiated revocation and delivery of entitlements non-addressable digital media network |
US8243924B2 (en) | 2007-06-29 | 2012-08-14 | Google Inc. | Progressive download or streaming of digital media securely through a localized container and communication protocol proxy |
CN101437143B (zh) * | 2007-11-16 | 2011-05-25 | 聪泰科技开发股份有限公司 | 影音传输加密装置 |
JP2009158055A (ja) * | 2007-12-27 | 2009-07-16 | Toshiba Corp | 音声データ処理装置および音声データ処理方法 |
US8868464B2 (en) | 2008-02-07 | 2014-10-21 | Google Inc. | Preventing unauthorized modification or skipping of viewing of advertisements within content |
US10255463B2 (en) * | 2008-11-17 | 2019-04-09 | International Business Machines Corporation | Secure computer architecture |
CN101616301B (zh) * | 2009-07-28 | 2012-10-03 | 北京惠信博思技术有限公司 | 一种数字版权管理方法和终端 |
US8751800B1 (en) | 2011-12-12 | 2014-06-10 | Google Inc. | DRM provider interoperability |
US10992461B2 (en) | 2015-11-20 | 2021-04-27 | Genetec Inc. | Secure layered encryption of data streams |
US10915647B2 (en) | 2015-11-20 | 2021-02-09 | Genetec Inc. | Media streaming |
US11423161B1 (en) | 2018-05-26 | 2022-08-23 | Genetec Inc. | System and media recording device with secured encryption |
DE102019102153B4 (de) | 2019-01-29 | 2022-02-03 | Bjb Gmbh & Co. Kg | Anschlusselement |
CN112073660B (zh) * | 2020-09-15 | 2023-03-10 | 深圳Tcl数字技术有限公司 | Tlv数据生成方法、读取方法、智能设备及存储介质 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0267039A2 (fr) * | 1986-11-05 | 1988-05-11 | Satellite Technology Services, Inc. | Système vidéo et procédé d'enregistrement surveillé de signaux vidéo |
EP0519320A2 (fr) * | 1991-06-18 | 1992-12-23 | Matsushita Electric Industrial Co., Ltd. | Système de théâtre vidéo et procédé de prévention de duplication |
EP0588535A1 (fr) * | 1992-09-02 | 1994-03-23 | Pioneer Electronic Corporation | Dispositif d'enregistrement et dispositif de reproduction d'un signal vidéo |
US5455860A (en) * | 1992-04-17 | 1995-10-03 | Matsushita Electric Industrial Co., Ltd. | Scramble codec |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4200770A (en) | 1977-09-06 | 1980-04-29 | Stanford University | Cryptographic apparatus and method |
US4405829A (en) | 1977-12-14 | 1983-09-20 | Massachusetts Institute Of Technology | Cryptographic communications system and method |
US4613901A (en) | 1983-05-27 | 1986-09-23 | M/A-Com Linkabit, Inc. | Signal encryption and distribution system for controlling scrambling and selective remote descrambling of television signals |
US4908834A (en) * | 1984-10-12 | 1990-03-13 | Wiedemer John D | High security pay television system |
US5237610A (en) * | 1990-02-01 | 1993-08-17 | Scientific-Atlanta, Inc. | Independent external security module for a digitally upgradeable television signal decoder |
US5111504A (en) | 1990-08-17 | 1992-05-05 | General Instrument Corporation | Information processing apparatus with replaceable security element |
US5461674A (en) * | 1992-05-22 | 1995-10-24 | Zenith Electronics Corp. | Method and apparatus for controlling playback of recorded HDTV signals |
JPH0644755A (ja) * | 1992-07-24 | 1994-02-18 | Sony Corp | ビデオ信号の伝送方法及び記録装置 |
-
1994
- 1994-11-26 KR KR1019940031364A patent/KR100332743B1/ko not_active IP Right Cessation
-
1995
- 1995-11-22 US US08/562,047 patent/US5757909A/en not_active Expired - Lifetime
- 1995-11-26 CN CN95120389A patent/CN1090868C/zh not_active Expired - Fee Related
- 1995-11-27 DE DE69524931T patent/DE69524931T2/de not_active Expired - Lifetime
- 1995-11-27 JP JP07308004A patent/JP3108618B2/ja not_active Expired - Fee Related
- 1995-11-27 EP EP95308493A patent/EP0714204B1/fr not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0267039A2 (fr) * | 1986-11-05 | 1988-05-11 | Satellite Technology Services, Inc. | Système vidéo et procédé d'enregistrement surveillé de signaux vidéo |
EP0519320A2 (fr) * | 1991-06-18 | 1992-12-23 | Matsushita Electric Industrial Co., Ltd. | Système de théâtre vidéo et procédé de prévention de duplication |
US5455860A (en) * | 1992-04-17 | 1995-10-03 | Matsushita Electric Industrial Co., Ltd. | Scramble codec |
EP0588535A1 (fr) * | 1992-09-02 | 1994-03-23 | Pioneer Electronic Corporation | Dispositif d'enregistrement et dispositif de reproduction d'un signal vidéo |
Also Published As
Publication number | Publication date |
---|---|
JPH08242438A (ja) | 1996-09-17 |
US5757909A (en) | 1998-05-26 |
DE69524931D1 (de) | 2002-02-14 |
EP0714204A2 (fr) | 1996-05-29 |
KR960019077A (ko) | 1996-06-17 |
EP0714204B1 (fr) | 2002-01-09 |
CN1137723A (zh) | 1996-12-11 |
KR100332743B1 (ko) | 2002-11-07 |
JP3108618B2 (ja) | 2000-11-13 |
CN1090868C (zh) | 2002-09-11 |
DE69524931T2 (de) | 2002-08-29 |
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